14. [6/8 Points] DETAILS PREVIOUS ANSWERS MY NOTES Graphs of the position functions of two particles are shown, where t is measured in seconds. (Enter your answers using interval notation.) (a When is the velocity of the particle positive? (0,1 ) U (3,4) When is it negative? (1,3) When is the particle speeding up? (3,4) When is it slowing down? (0,1 ) U (2,3) ( b ) When is the velocity of the particle positive? (3,4) When is it negative? (0,3) When is the particle speeding up? (3,4) X When is it slowing down? (0,1 ) U (2,3) Submit Answer13. [0/4 Points] DETAILS PREVIOUS ANSWERS MY NOTES Graphs of the velocity functions of two particles are shown, where t is measured in seconds. (a) When is the particle speeding up? (Enter your answer using interval notation.) [0,1] When is the particle slowing down? (Enter your answer using interval notation.) (1,3 ] (b) When is the particle speeding up? (Enter your answer using interval notation.) (1,2) When is the particle slowing down? (Enter your answer using interval notation.) (0,1 ) U (2,4) Viewing Saved Work Revert to Last Response